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Biomedical subjects

K Filip

Publications and source records attributed to K Filip.

14 recordsLinked to original sources
PubMed2002

[A system for monitoring quality, outcomes and health care costs].

Specialised form of database named DataCube for assessment of quality, outcomes and costs of the healthcare in cardiac surgery was built at the Institute of Clinical and Experimental Medicine (IKEM). Risk stratification of patients was done using Bayes predictive model. Such prediction well correlated with calculated costs. The results achieved promise the system to become an important decision making tool, which may improve identification of high risk patients.

Cardiac Surgical Procedures↗
PubMed2001

Chronic liver disease: relaxometry in the brain after liver transplantation.

Relaxometry revealed changes in the basal ganglia in T(1) and T(2) relaxation times due to liver disease. Manganese is probably responsible for T(1) and T(2) shortening (as the concentration is known to be higher in both the liver and blood due to hepatic cirrhosis). The aim of this study was to follow possible recovery after liver transplantation by MR relaxometry. Together with a group of 20 healthy volunteers we scanned 53 patients before and after liver transplantation (some of them repeatedly). Both T(1) and T(2) values were evaluated in the basal ganglia, thalamus, and frontal white matter. T(1) relaxation time was shortened by approx. 20-25% compared to the control group, probably the result of manganese deposition in the brain caused by hepatic cirrhosis. After liver transplantation the relaxation time recovered gradually with almost normal values reached approx. 2 years after surgery. T(1) recovery was observed in all evaluated structures. Similar results were observed with T(2) relaxation in the basal ganglia and thalamus. In the white matter T(2) remained low even 2 years after surgery.

Adolescent↗
PubMed2001

The role of ERCP in management of biliary complications after liver transplantation.

Biliary complications remain to pose a serious problem in patients after liver transplantation. In the past, they occurred in as many as 50% of patients, and were associated with a height mortality. This has changed and at present the incidence of this complications is lower. The authors present their own series and discuss the role of ERCP in the management of complications.

Biliary Tract Diseases↗
PubMed2000

Liver transplantation in Eastern Europe.

The aim of this report is to evaluate the development of liver transplantation in eastern Europe until mid-1998. Representatives of gastroenterological and hepatological societies of the respective countries answered a questionnaire about the most descriptive items of the issue of liver transplantation. The Baltic countries, together with 6 southern Balkan countries, Moldovia, and Belarus, have not developed a program of liver transplantation. In Ukraine, 7 transplantations were performed, with 3 early deaths. In Russia, 31 liver transplantations were performed, with 8 of the last 12 patients surviving short term. In Slovenia, 1 of 2 patients, and in Yugoslavia, 8 of 9 patients survived. In Croatia and Slovakia, 2 patients each died immediately after surgery. The number of liver transplantations is increasing in both Hungary and Poland. In Hungary, 63 transplantations were performed, with a 1-year survival rate reaching 85%; in Poland, 55 adults and 29 children underwent transplantation, with an actuarial 1-year survival rate of 70%. In former East Germany, 4 centers developed their programs since 1992. A total of 196 transplantations were performed, with 1-year survival rates varying from 80% to 89%. The total spectrum of indications for transplantation was standard, with a greater proportion of hepatocellular cancer compared with Eurotransplant statistics. In the Czech Republic, the first liver transplantation was performed in 1983, but it was not until 1994 that the number of procedures increased steeply. Until mid-1998, a total of 182 transplantations were performed. At the Prague Institute for Clinical and Experimental Medicine, we performed 94 transplantations, with a 1-year patient survival rate of 90.6%. There has been rapid development over the last 3 years in the 3 countries of Central Europe. The progress is influenced by the sweeping political and economic changes.

Adult↗
PubMed1997

Prague's IKEM and Berlin's Virchow Clinic: three years of bilateral cooperation between two European liver transplant centers.

With sweeping political changes in Europe since 1989, cooperation across former borders has become possible. This article reports an experience of cooperation between an established center in Western Europe (Berlin's Virchow Clinic) and a developing center in Central Europe (Prague's Institute for Clinical and Experimental Medicine, or IKEM). The relationship began with common organ procurement and has resulted in a high-quality transplant program in the Czech Republic. The Virchow Clinic functioned as counselor, adviser, and mentor to the developing center. The cooperation was supported by Eurotransplant, and training was provided to IKEM to enhance skills for an improved national program for liver transplantation. Standards for IKEM's full membership in the northwestern European network have been met. The number of liver transplantations per million population in the Czech Republic has markedly increased since the onset of this cooperative effort.

Berlin↗
PubMed1996

T1 and T2 alterations in the brains of patients with hepatic cirrhosis.

PURPOSE: To determine whether previously reported T1-weighted MR hyperintensities in the brains of patients with hepatic cirrhosis are accompanied by changes in T2. METHODS: We measured T1 and T2 in the brains of 10 patients with chronic liver disease and 7 age-matched healthy volunteers, using classic spin-echo sequences with multiple saturation recovery times and multiple echoes. RESULTS: Both T1 and T2 were shortened in the basal ganglia, cortex, and white matter of the patients, with the greatest shortening in the globus pallidus, where 1/T1 was increased by 0.76 s-1 or 74% and 1/T2 by 1.45 s-1 or 11%. CONCLUSIONS: The T1 changes were accompanied by T2 changes of greater magnitude that were not as visible because T2 is normally much shorter than T1, especially in the globus pallidus.

Adult↗
PubMed1992

[Long-term home parenteral nutrition using a totally implanted cannulation system].

A 29-year-old patient suffering from stenosis of the rectum and a periproctal fistula due to a severe form of Crohn's disease was completely fed by the parenteral route for 15 months, incl. 13 months at home, via a totally implanted cannula system Implantofix, Braun Co.. The patient felt throughout the period of parenteral nutrition very well, he worked and the secretion from the fistula stopped after four weeks. After 15 months of complete parenteral nutrition and elimination of oral food intake a marked improvement of the local finding in the rectum was observed. All laboratory findings (haemogram, liver tests, urea, creatinine, transferrin, albumin, cholinesterase and pre-albumin, serum levels of sodium, potassium, chlorides, calcium and phosphates) were throughout the observation period within a normal range. The body weight of the patient increased during the 15 months by 1 kg. The described case is the first one where domiciliary parenteral nutrition was used in Czechoslovakia under ambulatory conditions.

Adult↗
PubMed1990

Bilirubin and bile acids removal by haemoperfusion through synthetic resin "Persorb".

A new type of styrene-divinylbenzene copolymer coated with polyhema was tested for biocompatibility and ability to remove bile acid, bilirubin, phenols and cholesterol in dogs with surgically induced biliary obstruction. After 4-hr hemoperfusion through a polypropylene column containing 325 g of resin, performed 7-10 days after the ligature of the cystic and common bile duct, the serum levels of bile acids, bilirubin, phenols and cholesterol decreased by 60.9 +/- 30.3% (p less than 0.001), 34.8 +/- 12.2% (p less than 0.001), 19.4 +/- 15.6% (p less than 0.001) and 15.3 +/- 4.2% (p less than 0.05), respectively. The procedure was well tolerated, no bleeding or other adverse reactions occurred. The average platelet count decreased by 19.4 +/- 15.6% (p less than 0.05). Hemoperfusion through the Czechoslovak resin coated with polyhema is safe and efficient for removal of bile acids and other protein-bound and lipid-soluble substances which accumulate in cholestatic syndromes and hepatic failure. Thus, it may play an important role in the treatment of such events as a method of artificial liver support.

Animals↗